<?php
$image = $sf_data->getRaw('image');
$alt = '';
if (!empty($image['headline'])) {
	$alt .= '<h1>'.$image['headline'].'</h1>';
}
if (!empty($image['text'])) {
	$alt .= '<p>'.$image['text'].'</p>';
}
$alt = rawurlencode($alt);
?>
<li><a href="<?php echo $image['full_src'] ?>" data-ajax="false"><img src="<?php echo $image['thumb_src'] ?>" alt="<?php echo $alt ?>" /></a></li>